--- a/arch/arm/boot/dts/marvell/armada-xp-linksys-mamba.dts
+++ b/arch/arm/boot/dts/marvell/armada-xp-linksys-mamba.dts
@@ -483,3 +483,7 @@
};
+
+&coherencyfab {
+ broken-idle;
+};